package com.example.springcloud.service.impl;

import com.example.springcloud.service.IMessageProvider;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;

import javax.annotation.Resource;
import java.util.UUID;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ws
 * Date: 2024-02-09
 * Time: 16:15
 */
@Slf4j
@EnableBinding(Source.class) // 定义消息的推送管道
public class MessageProviderImpl implements IMessageProvider {

    @Resource
    private MessageChannel output; // 消息发送管道



    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();

        output.send(MessageBuilder.withPayload(serial).build());
        log.info("发送消息 serial :" + serial);

        return null;
    }
}
